Results 231 to 240 of about 180,724 (346)

Global field trials show the advantages of beta regression compared with logit transformation and quasi‐likelihood for the analysis of percentage plant disease severity

open access: yesAnnals of Applied Biology, EarlyView.
Disease severity in crop protection field trials is commonly assessed as a proportion represented as a percentage. Traditional statistical analysis uses transformation to logit or angle. This study compares analyses based on the beta distribution and the quasi‐likelihood method with the logit transform using a large global data set of field trials ...
Boby Mathew   +2 more
wiley   +1 more source

State of the spread of the exotic parasitoid wasp Leptopilina japonica tracking the route of its invasive host fly Drosophila suzukii in France

open access: yesAgricultural and Forest Entomology, EarlyView.
To document the current distribution of Leptopilina japonica in France and compare its genetic background, we collected wild fleshy‐fruited plants and cultivated cherries from 11 sites across different regions. The fruits were collected from the canopy. We calculated the percentage of emerging individuals of L.
Ionela‐Madalina Viciriuc   +13 more
wiley   +1 more source

Take-all root rot

open access: yesThe Plant Health Instructor, 2000
W. W. Bockus, N. A. Tisserat
openaire   +1 more source

Productivity Growth from Genetic Improvement: Evidence from Illinois Soybean Trial Data

open access: yesAmerican Journal of Agricultural Economics, EarlyView.
Abstract In 2023, the United States produced 28% of the world's soybeans, making understanding yield trends in the United States important for understanding global price trends. We estimate yield growth due to genetic change in soybeans using Illinois variety trial data with a modified approach.
Jared P. Hutchins, Scott H. Irwin
wiley   +1 more source

Farmers' pro‐social motivations and willingness‐to‐accept in markets with public goods

open access: yesAmerican Journal of Agricultural Economics, EarlyView.
Abstract To explain how some farmers' decisions may diverge from profit‐maximization, we incorporate proactive social preferences for public goods in an expected utility framework, in addition to reactive risk preferences to uncertainty. We offer empirical evidence that proactive preferences influence farmers' decisions alongside reactive preferences ...
Jill Fitzsimmons   +2 more
wiley   +1 more source

Bean root rot management in Africa [PDF]

open access: yes, 2015
Acam, Catherine   +7 more
core  

Spiritual Manifest Destiny: B.A. Santamaria's Political Theology

open access: yesAustralian Journal of Politics &History, EarlyView.
This article offers a reading of B.A. Santamaria's political theology and its role in the making of contemporary Australian political imaginaries. The article charts the shifting targets of Santamaria's critique and activism, showing his departure from the perceived communist threat to a wide‐ranging attack on liberal and leftist social movements.
Clare Monagle
wiley   +1 more source

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